The first in a series of podcasts featuring the editors of America discussing items of cultural and political interest. This week Tim Reidy, Fr. Jim Martin and Regina Nigro talk about the weighty themes addressed in the film "The Tree of Life"; "The Astral," [2] a new novel by Kate Christensen set in Brooklyn; and a New York Times story [3] and video [4] about a miraculous pair of conjoined twins.